public static int GetUkDutyTaxId(Route route)
        {
            int distance = route.Distance;
            int brandA = 2000;
            int brandB = 4000;
            int brandC = 6000;

            if (distance < brandA)
            {
                return 1;
            }
            if (distance >= brandA && distance < brandB)
            {
                return 2;
            }
            if (distance >= brandB && distance < brandC)
            {
                return 3;
            }
            return 4;
        }
 public static Models.FlightsDb.Country GetDepartureCountry(Route route)
 {
     return route.DepartureAirport.City.Country;
 }